#66ABEB#66ABEB

#66ABEB is a light, moderate cyan. Relative luminance 0.379; OKLCH L 72.2% C 0.117 H 248.0°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX#66ABEB
RGBrgb(102, 171, 235)
HSLhsl(209, 77%, 66%)
HSVhsv(209, 57%, 92%)
CMYKcmyk(56.6%, 27.2%, 0%, 7.8%)
CIE-LABlab(67.98, -3.49, -38.68)
CIE-LCHlch(67.98, 38.84, 264.84°)
OKLaboklab(72.19% -0.0438 -0.1087)
OKLCHoklch(72.19% 0.117 248)
XYZxyz(35.0324, 37.9457, 84.0593)
Luminance0.3795 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABEB #EBA666
analogous
#66EBE8 #66ABEB #6668EB
triadic
#66ABEB #EB66AB #ABEB66
tetradic
#66ABEB #E866EB #EBA666 #68EB66
square
#66ABEB #E866EB #EBA666 #68EB66
split-complementary
#66ABEB #EB6668 #EBE866
monochromatic
#196EBE #308DE4 #66ABEB #9CC9F2 #D2E6F9

Accessibility & contrast

On white

2.44
#66ABEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.59
#66ABEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABEB
8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABEB#FFFFFF#000000##000000
##66ABEB1.002.448.598.59
#FFFFFF2.441.0021.0021.00
#0000008.5921.001.001.00
##0000008.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#90ADEE
Deuteranopia (green-blind)
#7EA0EA
Tritanopia (blue-blind)
#00BAC1
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #66abeb;
/* rgb */ color: rgb(102, 171, 235);
/* oklch */ color: oklch(72.2% 0.117 248.0);
Tailwind
colors: {
  custom: {
    50: '#9bc3f1',
    500: '#66abeb',
    950: '#000000',
  },
}
SCSS
$custom: #66abeb;
$custom-light: #9bc3f1;
$custom-dark: #000000;
JSON
{
  "hex": "#66abeb",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 235
  },
  "hsl": {
    "h": 208.872,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.7219,
    "c": 0.11717,
    "h": 248
  },
  "luminance": 0.37949
}

Semantic roles & 50–950 ramp

primary
#66ABEB
secondary
#ECD6C1
accent
#6F0CD9
background
#FAFBFE
surface
#F3F7FD
border
#CDD0D5
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #66ABEB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#66ABEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva